<?php
/*******************************************************************************

    FinalsClub.org is a platform for students and faculty to collaborate
    and share their knowledge with the world.

    Copyright (C) 2009  Andrew Magliozzi
 
    This file is a part of FinalsClub.org.

    FinalsClub.org is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
    To contact FinalsClub.org, send an email to info@finalsclub.org, or
    send mail to Finals Club, c/o Veritas Tutors, 1132 Massachusetts Avenue,
    Cambridge, MA 02138.

*******************************************************************************/

function render_avatar($user, $type = null, $options = array()) {
	$avatar = 'img_avatar.jpg';	
	if($user != null && $user->getAvatar() != null) {
		$avatar = $user->getAvatar($type);
	} else if($type == 'thumb') {
		$avatar = 'default-avatar.jpg';
		$options = array_merge($options, array('width' => 30, 'height' => 30));
	}
	
	return image_tag($avatar, $options);  // we assume that the file ref is relative

	/*if(strpos($avatar, 'files', 0) !== false) {	// temporary fix to see if the file is local
		return image_tag('/'.$avatar, $options);
	} else {
		return image_tag($avatar, $options);
	}*/
}

function render_profile_link($user){
	if(trim($user->getFullName()) ==  "") {
		return link_to($user->getUsername(),'profiles/show?id='.$user->getId());
	}
	return link_to($user->getFullName(),'profiles/show?id='.$user->getId());	
}

function render_display_name($user) {
	if(trim($user->getFullName()) == "") {
		return $user->getUsername();
	} else {
		return $user->getFullName();
	}
}
